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style update and add rp6502 doc

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rumbledethumps
2023-11-17 11:08:51 -08:00
parent b17c4d3434
commit 564c85235f
32 changed files with 261 additions and 351 deletions
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33
libsrc/rp6502/sysrename.c
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@@ -1,32 +1,21 @@
/*
* Copyright (c) 2023 Rumbledethumps
*
* SPDX-License-Identifier: Zlib
* SPDX-License-Identifier: BSD-3-Clause
* SPDX-License-Identifier: Unlicense
*/
#include <rp6502.h>
#include <errno.h>
#include <string.h>
unsigned char __fastcall__ _sysrename(const char *oldpath, const char *newpath)
unsigned char __fastcall__ _sysrename (const char* oldpath, const char* newpath)
{
size_t oldpathlen, newpathlen;
oldpathlen = strlen(oldpath);
newpathlen = strlen(newpath);
if (oldpathlen + newpathlen > 254)
{
return _mappederrno(EINVAL);
oldpathlen = strlen (oldpath);
newpathlen = strlen (newpath);
if (oldpathlen + newpathlen > 254) {
return _mappederrno (EINVAL);
}
while (oldpathlen)
{
ria_push_char(oldpath[--oldpathlen]);
while (oldpathlen) {
ria_push_char (oldpath[--oldpathlen]);
}
ria_push_char(0);
while (newpathlen)
{
ria_push_char(newpath[--newpathlen]);
ria_push_char (0);
while (newpathlen) {
ria_push_char (newpath[--newpathlen]);
}
return ria_call_int_errno(RIA_OP_RENAME);
return ria_call_int_errno (RIA_OP_RENAME);
}